12917470 has 16 divisors (see below), whose sum is σ = 24053760. Its totient is φ = 4988704.

The previous prime is 12917461. The next prime is 12917479. The reversal of 12917470 is 7471921.

It is an interprime number because it is at equal distance from previous prime (12917461) and next prime (12917479).

It is a super-2 number, since 2×12917470² = 333722062401800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12917479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21982 + ... + 22561.

It is an arithmetic number, because the mean of its divisors is an integer number (1503360).

Almost surely, 2^12917470 is an apocalyptic number.

12917470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12917470 is a deficient number, since it is larger than the sum of its proper divisors (11136290).

12917470 is a wasteful number, since it uses less digits than its factorization.

12917470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44579.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12917470 is about 3594.0882014775. The cubic root of 12917470 is about 234.6348334954.

The spelling of 12917470 in words is "twelve million, nine hundred seventeen thousand, four hundred seventy".